🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.2

Radius: 11.7

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.53 AU - 0.59 AU

Year: 279 Days

Day: 10.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,474,914 km

• M1: 145,559 km (0.118 R)
• M2: 589,116 km (0.041 R)
• M3: 1,011,880 km (0.11 R)
• M4: 1,391,111 km (0.118 R)
• M5: 1,925,474 km (0.093 R)
• M6: 2,695,006 km (0.112 R)
• M7: 3,358,023 km (0.11 R)
• M8: 3,942,502 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519

Radius: 10.2

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.63 AU - 0.89 AU

Year: 442 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,474,914 km

• M1: 127,009 km (0.086 R)
• M2: 486,492 km (0.114 R)
• M3: 952,938 km (0.049 R)
• M4: 1,612,216 km (0.091 R)
• M5: 2,151,217 km (0.08 R)
• M6: 3,210,221 km (0.075 R)
• M7: 3,591,396 km (0.105 R)
• M8: 3,976,910 km (0.067 R)
• M9: 4,501,250 km (0.09 R)
• M10: 4,965,303 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 12.6

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.27 AU - 1.31 AU

Year: 977 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,474,914 km

• M1: 156,779 km (0.109 R)
• M2: 581,786 km (0.094 R)
• M3: 1,006,345 km (0.098 R)
• M4: 1,446,611 km (0.112 R)
• M5: 1,927,269 km (0.096 R)
• M6: 2,697,848 km (0.084 R)
• M7: 3,092,936 km (0.025 R)
• M8: 3,618,623 km (0.068 R)
• M9: 4,152,388 km (0.109 R)
• M10: 4,573,207 km (0.091 R)
• M11: 5,563,694 km (0.092 R)
• M12: 6,121,096 km (0.087 R)
• M13: 7,248,466 km (0.116 R)
• M14: 7,940,954 km (0.053 R)
• M15: 9,698,430 km (0.083 R)
• M16: 10,097,707 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461

Radius: 13

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.41 AU - 1.47 AU

Year: 1152 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,474,914 km

• M1: 162,762 km (0.077 R)
• M2: 649,255 km (0.115 R)
• M3: 1,158,336 km (0.113 R)
• M4: 1,693,897 km (0.117 R)
• M5: 2,171,413 km (0.112 R)
• M6: 3,000,484 km (0.101 R)
• M7: 3,517,944 km (0.109 R)
• M8: 4,611,504 km (0.078 R)
• M9: 5,209,297 km (0.116 R)
• M10: 5,817,562 km (0.091 R)
• M11: 6,363,893 km (0.092 R)
• M12: 7,756,500 km (0.08 R)
• M13: 8,551,313 km (0.076 R)
• M14: 9,259,061 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.8

Radius: 14.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.91 AU - 3.15 AU

Year: 3517 Days

Day: 14.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 170.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,474,914 km

• M1: 185,352 km (0.082 R)
• M2: 895,343 km (0.106 R)
• M3: 1,754,783 km (0.088 R)
• M4: 2,280,171 km (0.061 R)
• M5: 2,893,971 km (0.034 R)
• M6: 4,055,598 km (0.107 R)
• M7: 4,816,902 km (0.081 R)
• M8: 6,326,344 km (0.071 R)
• M9: 6,873,125 km (0.073 R)
• M10: 7,719,101 km (0.119 R)
• M11: 8,309,115 km (0.09 R)
• M12: 10,636,259 km (0.054 R)
• M13: 12,179,361 km (0.12 R)
• M14: 12,980,906 km (0.1 R)
• M15: 16,657,125 km (0.118 R)
• M16: 17,233,675 km (0.057 R)
• M17: 18,123,483 km (0.063 R)
• M18: 18,919,344 km (0.097 R)
• M19: 21,044,232 km (0.101 R)
• M20: 22,686,667 km (0.055 R)
• M21: 23,252,745 km (0.11 R)
• M22: 24,635,029 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.8

Radius: 14.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.04 AU - 3.32 AU

Year: 3782 Days

Day: 12.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,474,914 km

• M1: 176,226 km (0.085 R)
• M2: 748,139 km (0.11 R)
• M3: 1,286,841 km (0.082 R)
• M4: 2,708,918 km (0.059 R)
• M5: 3,632,685 km (0.115 R)
• M6: 4,831,562 km (0.067 R)
• M7: 6,369,728 km (0.105 R)
• M8: 6,864,298 km (0.083 R)
• M9: 7,417,810 km (0.074 R)
• M10: 10,142,287 km (0.112 R)
• M11: 11,479,991 km (0.102 R)
• M12: 14,242,465 km (0.115 R)
• M13: 15,309,098 km (0.086 R)
• M14: 17,125,665 km (0.068 R)
• M15: 18,208,604 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 10.3

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.71 AU - 4.97 AU

Year: 6029 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,474,914 km

• M1: 131,347 km (0.07 R)
• M2: 542,292 km (0.105 R)
• M3: 956,678 km (0.037 R)
• M4: 1,422,077 km (0.086 R)
• M5: 2,066,246 km (0.115 R)
• M6: 2,554,384 km (0.088 R)
• M7: 3,159,956 km (0.073 R)
• M8: 3,834,941 km (0.045 R)
• M9: 4,575,900 km (0.057 R)
• M10: 6,375,562 km (0.094 R)
• M11: 6,792,791 km (0.059 R)
• M12: 8,154,730 km (0.064 R)
• M13: 8,985,895 km (0.105 R)
• M14: 10,622,945 km (0.06 R)
• M15: 11,310,347 km (0.065 R)
• M16: 13,494,925 km (0.116 R)
• M17: 13,894,201 km (0.111 R)
• M18: 16,329,056 km (0.112 R)
• M19: 17,715,081 km (0.059 R)
• M20: 22,105,928 km (0.086 R)
• M21: 22,661,385 km (0.085 R)
• M22: 24,551,853 km (0.115 R)
• M23: 25,840,040 km (0.06 R)
• M24: 27,627,136 km (0.085 R)
• M25: 28,457,554 km (0.075 R)
• M26: 31,845,946 km (0.096 R)
• M27: 33,273,558 km (0.12 R)
• M28: 35,278,619 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 14,505 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit